Manchester United are stuck in an endless cycle of rinse-and-repeat since the Sir Alex Ferguson era. Sir Alex Ferguson’s retirement set into motion a chain-reaction from which Manchester United are still attempting to recover from. At present it feels like United are trapped in some kind of ‘medicority loop’, lurching from manager to manager, and now in an attempt to something different; a head coach. Erik ten Hag’s sacking and replacement with Ruben Amorim is the latest fresh start, and there is plenty for the new boss to try and fix. READ MORE: Manchester United manager history, trophies won…